Portable bumper guard



FIG. 1 is an isometric view of a portable bumper guard, showing my new design in a state of use.

FIG. 2 is a front, top, and left-side isometric view of the portable bumper guard;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right-side elevational view thereof;

FIG. 6 is a left-side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines showing a truck in FIG. 1 depict environmental matter and form no part of the claimed design. 

CLAIM I claim the ornamental design for a portable bumper guard, as shown and described. 